CVE-2025-48392
📋 TL;DR
This vulnerability in Apache IoTDB is an uncontrolled resource consumption issue (CWE-400) that could allow attackers to cause denial of service. It affects IoTDB versions 1.3.3 through 1.3.4 and 2.0.1-beta through 2.0.4. Organizations running these vulnerable versions of the time-series database are at risk.
💻 Affected Systems
- Apache IoTDB
📦 What is this software?
Iotdb by Apache
Iotdb by Apache
⚠️ Risk & Real-World Impact
Worst Case
Complete service disruption of IoTDB, potentially affecting all time-series data operations and dependent applications.
Likely Case
Degraded performance or intermittent service outages affecting data ingestion and query capabilities.
If Mitigated
Minimal impact with proper resource monitoring and rate limiting in place.
🎯 Exploit Status
Resource exhaustion vulnerabilities typically require minimal sophistication to exploit.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.0.5
Vendor Advisory: https://lists.apache.org/thread/1rn0637hptglmctf8cqd9425bj4q21td
Restart Required: Yes
Instructions:
1. Download Apache IoTDB 2.0.5 from official sources. 2. Stop the IoTDB service. 3. Backup configuration and data. 4. Replace with version 2.0.5. 5. Restart the service.
🔧 Temporary Workarounds
Network isolation
linuxRestrict network access to IoTDB to trusted sources only
iptables -A INPUT -p tcp --dport 6667 -s trusted_network -j ACCEPT
iptables -A INPUT -p tcp --dport 6667 -j DROP
Resource limits
linuxImplement resource quotas and monitoring to detect abnormal consumption
ulimit -n 4096
systemctl set-property iotdb.service MemoryMax=2G
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure to trusted clients only.
- Deploy monitoring and alerting for abnormal resource consumption patterns.
🔍 How to Verify
Check if Vulnerable:
Check IoTDB version using the CLI: connect -h localhost -p 6667 -u root -pw root, then run 'show version'Check Version:
show versionVerify Fix Applied:
Confirm version is 2.0.5 or later using the same version check command📡 Detection & Monitoring
Log Indicators:
- Unusual memory or CPU consumption spikes
- Connection floods from single sources
- OutOfMemory errors in logs
Network Indicators:
- High volume of requests to IoTDB port (default 6667)
- Requests with abnormal payload sizes
SIEM Query:
source="iotdb.logs" AND ("OutOfMemory" OR "memory exhaustion" OR "high cpu")